/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.catalina;

/**
 * <p>
 * Decoupling interface which specifies that an implementing class is associated
 * with at most one <strong>Container</strong> instance.
 * </p>
 * 
 * @author Craig R. McClanahan
 * @author Peter Donald
 * @version $Id: Contained.java 939350 2010-04-29 15:36:29Z kkolinko $
 */

public interface Contained {

	// -------------------------------------------------------------- Properties

	/**
	 * Return the <code>Container</code> with which this instance is associated
	 * (if any); otherwise return <code>null</code>.
	 */
	public Container getContainer();

	/**
	 * Set the <code>Container</code> with which this instance is associated.
	 * 
	 * @param container
	 *            The Container instance with which this instance is to be
	 *            associated, or <code>null</code> to disassociate this instance
	 *            from any Container
	 */
	public void setContainer(Container container);

}
